Dyfyniad APA

McCORMAC, J. C. (1981). Structural steel design.-- Ed.3. Harper and Row.

Dyfyniad Arddull Chicago

McCORMAC, Jack C. Structural Steel Design.-- Ed.3. Cambridge: Harper and Row, 1981.

Dyfyniad MLA

McCORMAC, Jack C. Structural Steel Design.-- Ed.3. Harper and Row, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.